Essani, Zahabia Muhammad Sohail, Filza Naeem, and Om Parkash. “Risk Factors and Outcomes of Upper Gastrointestinal Bleeding in Hospitalized Patients in a Tertiary Care Hospital”. Journal of the Pakistan Medical Association 74, no. 2 (January 20, 2024): 224–228. Accessed April 18, 2024. https://ojs.jpma.org.pk/index.php/public_html/article/view/7141.